Stable and Unstable Angina: What’s the Difference?

Medically Reviewed by Carolin Schneider, MD

Photo Courtesy: ljubaphoto/E+/Getty Images

You might have heard that stable and unstable angina can have serious health risks, but the difference between them is unclear — and difficult to guess from their names alone. Angina is often a symptom of one of the most common types of heart disease in adults: coronary heart disease (CHD). The two types of angina have quite a few differences, and knowing more about these is essential for understanding how much this symptom might impact your health.